What is the role of chlorine in plants?
Certified GKH Gardening Expert
Chlorine is not typically used by plants but can have an adverse effect on them. Chloride, however, is something altogether different and may be what you're inquiring about. That said, these articles may be of some help to you: http://www.spectrumanalytic.com/support/library/ff/Cl_Basics.htm and https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/information-on-chloride-and-plant-growth.htm